{"product_id":"ak-trading-co-upholstery-foam-seat-replacement-4-x-24-x-72-medium-density-certipur-us","title":"AK TRADING CO. Upholstery Foam Seat Replacement 4\" x 24\" x 72\" Medium Density, CertiPUR-US","description":"\u003cp\u003e\u003cstrong\u003eAK TRADING CO. Upholstery Medium Density foam is a firm, resilient 4\" x 24\" x 72\" seat replacement panel designed for long-lasting home and commercial seating comfort.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 4-inch thick, medium-density polyurethane cushion sheet from AK TRADING CO. is engineered as a versatile, heavy-use replacement for chair seats, bench cushions, boat seating, studio panels and more. Manufactured in the USA and CertiPUR-US certified, it balances support and comfort with a 1.8 lb density, 44 lb compression rating, and near-complete recovery so cushions keep their shape through frequent use. The sheet ships compact and expands within 24–48 hours after opening.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this foam perform under everyday seating use?\u003c\/h3\u003e\n\u003cp\u003eThe foam is specified for durability and frequent use: its 1.8 lb density and 44 lb compression provide a firm, supportive feel that resists sagging. Expect consistent support for sofas, dining chairs, commercial benches, and high-traffic seating that require shape retention over years.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFirm medium density 1.8 lb for sustained support\u003c\/li\u003e\n  \u003cli\u003e44 lb compression for a stable seating surface\u003c\/li\u003e\n  \u003cli\u003e100% recovery rate keeps cushions from flattening quickly\u003c\/li\u003e\n  \u003cli\u003eEstimated 7–10 year lifespan under normal use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this foam for different projects like boats, studios, or packaging?\u003c\/h3\u003e\n\u003cp\u003eYes — the foam’s combination of firmness and resilience makes it suitable for many applications beyond upholstery. It works well for boat cushions, automotive inserts, acoustic or soundproofing panels, protective packaging, and custom cases where shock absorption and shape stability matter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoat and car cushions: water-resistant covers recommended\u003c\/li\u003e\n  \u003cli\u003eAcoustic panels: firm backing for sound absorption projects\u003c\/li\u003e\n  \u003cli\u003ePackaging and cases: protective padding for tools and equipment\u003c\/li\u003e\n  \u003cli\u003eCustom cut-to-size: trim or shape with standard foam tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about delivery, unpacking, and setup?\u003c\/h3\u003e\n\u003cp\u003eThe foam is shipped compactly to save space and reduce shipping cost; it will regain its intended dimensions after unpacking. For best results, remove packaging immediately and allow 24–48 hours for full expansion in a well-ventilated area at room temperature.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact vacuum pack for efficient shipping\u003c\/li\u003e\n  \u003cli\u003eOpen package immediately to begin expansion\u003c\/li\u003e\n  \u003cli\u003eAllow 24–48 hours to reach full thickness and resilience\u003c\/li\u003e\n  \u003cli\u003eTrim or cover with upholstery fabric after full expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this material safe and eco-conscious?\u003c\/h3\u003e\n\u003cp\u003eThe foam is CertiPUR-US certified and manufactured without ozone-depleting substances, meeting recognized standards for emissions and material content. While not advertised as flameproof, it is intended for standard upholstery and industrial uses where CertiPUR-US compliance is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertiPUR-US certified materials\u003c\/li\u003e\n  \u003cli\u003eMade in the USA to controlled manufacturing standards\u003c\/li\u003e\n  \u003cli\u003eNo ozone-depleting substances used in production\u003c\/li\u003e\n  \u003cli\u003eRecommended use with appropriate covers and local fire codes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 4\" x 24\" x 72\" AK TRADING CO. foam sheet is aimed at DIY upholsterers, furniture repair shops, boat owners, studio builders, and anyone needing a durable, medium-firm replacement cushion. Choose it if you want a made-in-USA, CertiPUR-US certified option that balances affordability with long-term performance and broad project compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long before the foam reaches full thickness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Remove packaging and allow 24–48 hours at room temperature for full expansion and recovery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this foam safe for indoor use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is CertiPUR-US certified and intended for standard indoor and commercial upholstery applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AK TRADING CO.","offers":[{"title":"Default Title","offer_id":55303688028497,"sku":"B078SDDYHY","price":130.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/aktradingco-foam-front-view.jpg?v=1791985759","url":"https:\/\/craftiche.co.uk\/products\/ak-trading-co-upholstery-foam-seat-replacement-4-x-24-x-72-medium-density-certipur-us","provider":"Craftiche","version":"1.0","type":"link"}